Added setup script for the project

Author: MateoKruk

functions/package.json

@@ -7,7 +7,8 @@
     "shell": "npm run build && firebase functions:shell",
     "start": "npm run shell",
     "deploy": "firebase deploy --only functions",
-    "logs": "firebase functions:log"
+    "logs": "firebase functions:log",
+    "setup-firebase": "node setupProject.js"
   },
   "engines": {
     "node": "10"